Meeting Notes Meetings notes from the Mozilla community

Actions

• dougt to find owner for top crash bug 836263
• Asa to post a couple of Windows 8 hardware options for dogfooding Firefox Metro

Notices/Schedule

• FF20.0.1 desktop go-to-build is expected today for bug 857672,bug 857291
  • This will be in QA’s hands tomorrow and is expected to ship by Thursday, Apr 11 .
  • All the fixes that are being taken into release are already in our 21.0b2 build, shipping EOD today which will give us an opportunity to gather more feedback

• FF21.0b1 was shipped last Thursday with FHR enabled
  • Check your browser’s health report by going to about:healthreport

• FF 21.0b2 Desktop only will ship EOD today
• FF 21.0b2 mobile will go-to-build today and released before end of week

• FF22.0a2 unthrottled last Friday

Key Issues

• WebAPI planned work (overholt)
• Capacity work in preparation for next week’s B2G workweek (joduinn/catlee)
• Downtime planning for *after* b2g work week, dates and details as we get it (firewall upgrade in colos)

Recent threads

• Request For Feedback: Ignoring signed add-ons in Firefox for Android (mfinkle)
• Proposal for using a multi-headed tree instead of inbound (updated) (kats) – (older thread for reference)
• Promises Proposal (dtownsend)
• About string removal in Aurora/Beta (mfinkle)
• W3C (dbaron)
  • Proposed W3C Charter: Web Performance Working Group
  • Proposed W3C Charter: Web and TV Interest Group
  • Proposed W3C Charters: groups within the XML activity

Products/Projects

Firefox OS

• 1.0.1 (tef), 59+10 (10 are NPOTB) blocker bugs, with another 25 nominated.
• 1.1 (leo), 114 blocker bugs, with another 54 nominated. MMS (delayed FC/CC) reviews and landings ongoing.

Firefox Desktop

Social

• Beta: new providers (Mixi, Cliqz, MSN Now)
• Aurora: add-ons manager management of social providers
• Trunk: installation of arbitrary providers

Firefox Mobile

Blog Shout Out

• Quit button removal, RSS Feeds, Reaching out to community, managing site settings and more: http://planet.firefox.com/mobile/

Usability, Responsiveness, and New Features

• Web Audio was enabled on Nightlies. This bumps our HTML5 score to 431
• WebRTC: Alder branch merged to central preff’d off. GCP is doing some initial manual testing on 2.3 and will need help with 2.2 testing soon

In Progress

• Add multi-thread support to profiler bug 734691
• bug 854421 – Throttle requestAnimationFrame from compositor
• Android xpcshell tests (very limited initi{{al set) enabled on Cedar: https://tbpl.mozilla.org/?tree=Cedar
• Participation in Shumway work week
• Push API implementation bug 834033
• Initial evaluation of bug data yielded: bug 857353, bug 857413

Stability

• Firefox 20.0 release for Android has under 2 crashes per 100 ADI and around 25% startup crashes, both of which is lower than any release since we introduced the new “native” UI.
• Looks like bug 831768 decreased Flash crashes and hangs by a quarter or so compared to 20 Beta, we’ll need more data to make sure and define the wins better, but things look good for the moment.
• Need help with VM page profiling (Windows) to solve empty dump and unstable-product issues (see dev.platform thread)

OrangeFactor

• Past week’s OrangeFactor: 6.76 (Previous Week: 6.09)
• Windows XP XPCShell and Android 4.0 panda robocop tests remain hidden.
• More progress needed on last week’s attention items.
• Help wanted on bug 846137 and clones (ASSERTION: wrong thread: ‘PR_GetCurrentThread() == gSocketThread’). We hit this across a wide range of tests.
• Frequent gcc crashes when compiling IonBuilder.cpp or Scope.cpp (bug 820796) are hurting infrastructure load. Progress upgrading to a newer version?
• 19 intermittent failures fixed in the last week – List – Thanks!.
• When working on fixing orange bugs, please take note of MDN’s guide to avoiding intermittent failures. Feel free to add to it with any other wisdom you have!

Snappy [Bi-Weekly]

• Current state of Firefox chrome hangs: [1]
• bug 856427 and bug 689418: Avi is working on adding vsync support on Windows
• bug 561450: mak removed a source of main-thread I/O in Places
• bug 753768: Yoric moved all Page thumbnails I/O off the main thread
• bug 764971: Do not show the throbber and the “Connecting…” text for chrome pages

• Profiler:
  • You can find Benoit’s write-up here: [2]
  • bug 734691: BenWa adding support for profiling multiple threads
  • bug 853358 and bug 734691: BenWa is adding profiling support to the plugin-container.exe process
  • bug 853864 and bug 853363: IPC message information is being exposed to the profiler (BenWa and Georg Fritzsche)

• Jydoop query tool for telemetry and crash-stats is now available

Games [1st Tuesday of Month]

• GDC success!
  • Unreal Engine 3 ported to the web using Emscripten/asm.js
    • Public demo releases soon
    • Current very low rez video has close to a quarter million views
  • Showing off the tech on the show floor at NVIDIA’s booth
  • Lots of press interest, close to 200 articles worldwide
• Huge thank you to all the individuals who helped make it happen
  • lots of JS improvements
    • ~20% parsing perf improvement on the demo, which was about a 5-6% win on general parsermark parsing
    • significant memory reduction during parsing
  • Gamepad API, pointer lock in non-fullscreen got checked in, though gamepad will likely need another cycle on nightly
  • Lots of Web Audio improvements
• Next focus
  • Mobile
  • Supporting advanced porting efforts

Mobile Web Compat [2nd Tuesday of Month]

Outreach

• Thank you to everyone who has responded to my request for help: Help Wanted: Firefox OS UA Detection
  • Additional fixes for avn.info.ve, lapatilla.com, laverdad.com, meridiano.com.ve
  • Confirmations that a number of additional fixes are coming
  • The best way to get sites fixed is with technical contacts, please share!
• Vimeo now works on Firefox mobile!
• Google Maps UI updated on Firefox for Android

Gecko

• Implementing generic versions of WebKitPoint (bug 850805), webkitConvertPointFromNodeToPage (bug 850806), and webkitConvertPointFromPageToNode (bug 850808)
• Do you like UA discussions (of course you do!)
  • bug 856699 Pick a UA string for fennec on Ouya
  • bug 850769 User Agent override including information regarding vendor/model about the device

Misc

• Req for Web Compatibility Engineer